         HCO3-label (JLabel. "HCO3")
         convert-button (JButton. "Interpret")
         no-label (JLabel. "")
-        fahrenheit-label (JLabel. "ABG Interpretation:")]
+        abg-label (JLabel. "ABG Interpretation:")]
     (.addActionListener
      convert-button
      (reify ActionListener 

             (let [pH (Double/parseDouble (.getText pH-text))
                   pCO2 (Double/parseDouble (.getText pCO2-text))
                   HCO3 (Double/parseDouble (.getText HCO3-text))]
               (.setText fahrenheit-label
                         (Abg/interpret pH pCO2 HCO3))))))
    (doto frame
      (.setLayout (GridLayout. 6 1 3 3))

        '(java.awt GridLayout)
        '(quexotic.org Abg))

(defn abg []
  (let [frame (JFrame. "Arterial blood gas interpretation")
        pH-text (JTextField.)
        pH-label (JLabel. "pH")
